CN217239170U - Ceramic jacket non-bearing type anti-icing lightning protection insulator - Google Patents
Ceramic jacket non-bearing type anti-icing lightning protection insulator Download PDFInfo
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- CN217239170U CN217239170U CN202221047617.5U CN202221047617U CN217239170U CN 217239170 U CN217239170 U CN 217239170U CN 202221047617 U CN202221047617 U CN 202221047617U CN 217239170 U CN217239170 U CN 217239170U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a ceramic jacket non-bearing type anti-icing and lightning protection insulator, wherein the upper end of a core rod is connected with an annular electrode, and the core rod bears mechanical stress; the insulator assembly comprises an upper aluminum block, a resistor group and a lower aluminum block which are sequentially sleeved on the core rod and are tightly attached to each other, an epoxy cylinder is arranged outside the insulator assembly, sealing rubber layers are filled outside the epoxy cylinder and between the annular electrode and the upper aluminum block, a ceramic outer sleeve is wrapped outside the sealing rubber layers and does not bear mechanical stress, and an anti-icing cover is arranged at the top of the ceramic outer sleeve; the top of the annular electrode is connected with the upper steel cap, and the bottom of the core rod is connected with the lower steel cap; the upper aluminum block is connected with an arc striking rod which penetrates through the ceramic outer sleeve and extends out of the ceramic outer sleeve, and the insulating outer sleeve wraps the arc striking rod. The utility model discloses sealing performance is strong, and difficult ageing has anti-icing lightning protection function, and the pottery overcoat need not to bear mechanical stress, low in production cost, light in weight.
Description
Technical Field
The utility model relates to an insulator technical field especially relates to a non-load type anti-icing lightning protection insulator of ceramic overcoat.
Background
With the increase of the electricity demand in China, the distribution line inevitably needs to be built in cold areas which are easy to cover ice and have complex terrains. When the winter comes temporarily, severe rain and snow weather causes serious icing of the line insulator, bridging between insulator umbrella skirts is caused, and the line is difficult to rush repair in time due to environmental problems, so that the stable operation of a power system is influenced. In order to solve the problem of ice coating of line insulators, insulators with an anti-icing function are produced, and insulators with the anti-icing function used in the existing power system comprise porcelain insulators and composite insulators. The composite insulator is light in weight and strong in sealing performance, but the composite outer sleeve is poor in weather resistance and easy to age under a long-time natural environment. Compared with a composite coat, the coat of the porcelain insulator has insufficient sealing performance, is easy to be seriously damped to accelerate the aging of the insulator, and is easy to cause the umbrella skirt of the insulator to burst and crack during lightning strike. In addition, the outer sleeve of the porcelain insulator needs to be made of high-strength ceramic materials due to the fact that the outer sleeve needs to bear stress, and therefore production cost is high and weight is heavy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a non-load type anti-icing lightning protection insulator of ceramic overcoat is provided, sealing performance is strong, and is difficult for ageing, has anti-icing lightning protection function, and the ceramic overcoat need not to bear mechanical stress, low in production cost, light in weight.
In order to achieve the above object, an embodiment of the present invention provides a ceramic jacket non-bearing type anti-icing and lightning-protection insulator, which includes a core rod, a ring electrode, an insulator assembly, a ceramic jacket, an anti-icing cover, an upper steel cap and a lower steel cap; the upper end of the core rod is connected with the annular electrode, and the core rod bears mechanical stress; the insulator assembly comprises an upper aluminum block, a resistor group and a lower aluminum block which are sequentially sleeved on the core rod and are tightly attached to each other, an epoxy cylinder is arranged outside the insulator assembly, sealing rubber layers are filled outside the epoxy cylinder and between the annular electrode and the upper aluminum block, a ceramic outer sleeve is wrapped outside the sealing rubber layers, the ceramic outer sleeve does not bear mechanical stress, and an anti-icing cover is arranged at the top of the ceramic outer sleeve; the top of the annular electrode is connected with the upper steel cap, and the bottom of the core rod is connected with the lower steel cap; the upper aluminum block is connected with an arc striking rod which penetrates through the ceramic outer sleeve and extends out of the ceramic outer sleeve, and the insulating outer sleeve wraps the arc striking rod.
As an improvement of the scheme, a plurality of umbrella skirts are arranged on the outer wall of the ceramic coat, and the umbrella skirts and the ceramic coat are of an integrated structure.
As an improvement of the scheme, the arc striking rod is L-shaped, the bulb of the arc striking rod is not wrapped by the insulating outer sleeve, and a discharge gap is formed between the bulb of the arc striking rod and the anti-icing cover.
As an improvement of the above scheme, the resistor sheet group includes a plurality of annular resistor sheets which are sequentially sleeved on the core rod and are tightly adhered to each other.
As an improvement of the above scheme, the upper aluminum block, the annular resistance card and the lower aluminum block are all disc structures with through holes in the middle.
As an improvement of the scheme, the diameter of the anti-icing cover is larger than the maximum diameter of the ceramic outer sleeve.
As an improvement of the scheme, the bottom of the mandrel is connected with a lower end cover, the lower end cover is connected with the lower steel cap, and the upper steel cap is provided with a wire guide groove.
As an improvement of the scheme, the sealing rubber layer and the insulating outer sleeve are both made of silicon rubber.
As an improvement of the scheme, the ceramic outer sleeve is made of low-strength ceramic materials.
Compared with the prior art, the utility model provides a pair of ceramic overcoat non-load type anti-icing lightning protection insulator's beneficial effect lies in:
1) the insulator has good sealing performance because the ceramic outer sleeve of the insulator is filled with silicon rubber as a sealing rubber layer, is not easy to damp after long-term operation, simultaneously eliminates the defect that the silicon rubber is exposed in the air and aged, reduces the influence factor of insulator aging and prolongs the service life of the insulator.
2) The anti-icing cover and the striking rod form a discharge gap, the striking rod is wrapped by the insulating outer sleeve, the ball head of the striking rod is not completely wrapped by the insulating outer sleeve, the reserved gap serves as a discharge electrode, the striking rod and the anti-icing cover discharge to form a lightning discharge channel during lightning stroke, and the insulating outer sleeve outside the striking rod can effectively reduce short-circuit accidents caused by bird damage.
3) The diameter of the anti-icing cover is larger than that of the ceramic coat umbrella skirt, so that the insulator cannot form bridging among the umbrella skirts in rainy and snowy weather, and the insulator has an anti-icing function.
4) The core rod of the insulator bears mechanical stress, the ceramic outer sleeve does not bear mechanical stress, the ceramic outer sleeve can still effectively support the lead even if the ceramic outer sleeve is cracked after the insulator breaks down, the ceramic outer sleeve can be made of low-strength ceramic materials, and the thickness of the ceramic outer sleeve can be thinner, so that the whole weight of the insulator is lighter and the production cost is low.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a ceramic jacket non-load bearing type anti-icing and lightning-protection insulator provided by the present invention;
wherein the reference numbers are as follows:
1. a core rod; 2. a ring electrode; 3. feeding an aluminum block; 4. a resistor group; 5. discharging an aluminum block; 6. an epoxy cylinder; 7. a seal rubber layer; 8. a ceramic outer sleeve; 9. an anti-icing cover; 10. mounting a steel cap; 11. a steel cap is put; 12. an arc striking rod; 13. an insulating outer sleeve; 14. and a lower end cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present application, the terms "first", "second", "third", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first," "second," "third," etc. may explicitly or implicitly include one or more of the features. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.
In the description of the present application, it is to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the present invention, and the specific meanings of the terms in the present application will be understood to those skilled in the art in a specific context.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a preferred embodiment of a ceramic jacket non-load bearing type anti-icing and lightning protection insulator provided by the present invention.
The ceramic-sheathed non-bearing type anti-icing and lightning-protection insulator provided by the embodiment comprises a core rod 1, an annular electrode 2, an insulator component, a ceramic sheath 8, an anti-icing cover 9, an upper steel cap 10 and a lower steel cap 11; the upper end of the core rod 1 is connected with the annular electrode 2, and the core rod 1 bears mechanical stress; the insulator assembly comprises an upper aluminum block 3, a resistor group 4 and a lower aluminum block 5 which are sequentially sleeved on the core rod 1 and are tightly attached to one another, an epoxy cylinder 6 is arranged outside the insulator assembly, sealing rubber layers 7 are filled outside the epoxy cylinder 6 and between the annular electrode 2 and the upper aluminum block 3, a ceramic outer sleeve 8 is wrapped outside the sealing rubber layers 7, the ceramic outer sleeve 8 does not bear mechanical stress, and an anti-icing cover 9 is arranged at the top of the ceramic outer sleeve 8; the top of the annular electrode 2 is connected with the upper steel cap 10, and the bottom of the mandrel 1 is connected with the lower steel cap 11; the upper aluminum block 3 is connected with an arc striking rod 12 which penetrates through and extends out of the ceramic outer sleeve 8, and an insulating outer sleeve 13 wraps the outer portion of the arc striking rod 12.
Specifically, the ceramic jacket non-bearing type anti-icing and lightning-protection insulator comprises a core rod, an annular electrode, an insulator component, a ceramic jacket, an anti-icing cover, an upper steel cap and a lower steel cap. The upper end of the core rod is connected with the annular electrode, the annular electrode is sleeved at the upper end of the core rod, the annular electrode can also prevent electrical bridging caused by rain and snow, and the core rod bears mechanical stress. The insulator assembly comprises an upper aluminum block, a resistor group and a lower aluminum block which are sequentially sleeved on the core rod and are tightly attached to each other, the insulator assembly is sleeved on the middle lower part of the core rod, and an epoxy cylinder is arranged outside the insulator assembly. Sealing rubber layers are filled between the outside of the epoxy cylinder and the annular electrode and the upper aluminum block, a ceramic outer sleeve is wrapped outside the sealing rubber layers and does not bear mechanical stress, and an anti-icing cover is arranged at the top of the ceramic outer sleeve. The top of the annular electrode is connected with the upper steel cap, and the bottom of the core rod is connected with the lower steel cap. Go up the aluminium pig and be connected with one and run through the striking stick that stretches out to the outside of ceramic overcoat, the outside parcel of striking stick has insulating overcoat, and insulating overcoat can effectively reduce the short circuit accident that the bird pest arouses.
According to the non-bearing type anti-icing and lightning-protection insulator with the ceramic outer sleeve, the sealing rubber layer is filled in the ceramic outer sleeve of the insulator, so that the insulator has good sealing performance, is not prone to being affected with damp and aging after long-term operation, and the service life of the insulator is prolonged. Through setting up the anti-icing cover, can not make the insulator form bridging between the full skirt under sleet weather for the insulator has anti-icing, lightning protection function. The core rod of the insulator bears mechanical stress, the ceramic outer sleeve does not bear mechanical stress, the conductor can still be effectively supported even if the ceramic outer sleeve is cracked after the insulator breaks down, the ceramic outer sleeve can be made of low-strength ceramic materials, the thickness of the ceramic outer sleeve can be thinner, and therefore the whole insulator is lighter in weight and low in production cost.
In another preferred embodiment, a plurality of sheds are arranged on the outer wall of the ceramic coat 8, and the sheds and the ceramic coat 8 are of an integrated structure.
Specifically, be equipped with the umbrella skirt that a plurality of umbrella footpaths differ on the outer wall of pottery overcoat, umbrella skirt and pottery overcoat formula structure as an organic whole. The number, diameter and arrangement of the sheds can be determined according to actual conditions. For example, in this embodiment, 5 sheds are provided on the outer wall of the ceramic coat, wherein the diameter of the top 2 sheds is slightly larger than that of the bottom 2 sheds, and the diameter of the middle shed is the largest. 2 umbrella skirts on the top are arranged below the anti-icing cover, the diameter of the umbrella skirt is smaller than that of the anti-icing cover, the umbrella skirt can be shielded by the anti-icing cover, and ice coating bridging among the umbrella skirts cannot be caused. The middle umbrella skirt is arranged below the arc striking rod, and the length of the arc striking rod is long, so that the umbrella diameter of the umbrella skirt positioned in the middle needs to be large, the umbrella skirt can well shield the 2 umbrella skirts at the bottom, ice coating bridging between the umbrella skirts is prevented, and the horizontal descending of the outer insulation of the insulator is effectively prevented.
In a further preferred embodiment, the arc ignition rod 12 is L-shaped, the bulb of the arc ignition rod 12 is not covered by the insulating outer sleeve 13, and the bulb of the arc ignition rod 12 and the anti-icing shield 9 form a discharge gap.
Specifically, the striking stick is the L type, and the bulb of striking stick does not wrap up by insulating overcoat completely, and the breach that leaves is as discharge electrode, and the bulb of striking stick and anti-icing cover form the discharge gap, and striking stick and anti-icing cover discharge during the thunderbolt and form thunder and lightning release passageway, and the striking stick peripheral hardware insulating overcoat can effectively reduce the short circuit accident that the bird pest arouses.
Preferably, the resistor sheet group 4 includes a plurality of annular resistor sheets sequentially sleeved on the core rod 1 and closely attached to each other.
Preferably, the upper aluminum block 3, the annular resistor disc and the lower aluminum block 5 are all disc structures with through holes in the middle.
Specifically, the resistor group in this embodiment includes a plurality of annular resistor discs that are sequentially sleeved on the core rod and are tightly attached to each other, and the upper aluminum block, the annular resistor disc, and the lower aluminum block that are sleeved on the core rod are all disc structures having through holes in the middle. It should be noted that the number of the resistive sheets may be determined according to actual situations, and the number of the resistive sheets in this embodiment is preferably 5.
Preferably, the diameter of the ice shield 9 is larger than the maximum diameter of the ceramic outer jacket 8.
Specifically, the diameter of the anti-icing cover is larger than the maximum diameter of the ceramic coat, namely the diameter of the anti-icing cover is larger than the maximum diameter of all umbrella skirts of the ceramic coat, so that the umbrella skirts below the anti-icing cover can be well shielded, the insulator cannot be bridged between the umbrella skirts in rainy and snowy weather, and the external insulation level of the insulator is effectively prevented from descending.
Preferably, the bottom of the mandrel 1 is connected with a lower end cap 14, the lower end cap 14 is connected with the lower steel cap 11, and the upper steel cap 10 is provided with a wire guide groove.
Specifically, the bottom of the core rod is further connected with a lower end cover, the lower end cover is connected with a lower steel cap, and the lower steel cap is used for connecting and fixing the insulator and the electric power fitting. The upper steel cap is provided with the wire groove, and the wire groove is in contact with the wire, so that the short wire condition caused by high temperature of the metal piece during lightning stroke is effectively avoided, and the service life of the insulator is prolonged.
Preferably, the sealing rubber layer 7 and the insulating sheath 13 are both silicon rubber.
Specifically, the seal rubber layer and the insulating sheath in the present embodiment are preferably silicone rubber. The insulator has good sealing performance because the ceramic outer sleeve of the insulator is filled with silicon rubber as a sealing rubber layer, is not easy to damp after long-term operation, simultaneously eliminates the defect that the silicon rubber is exposed in the air and aged, reduces the influence factor of insulator aging and prolongs the service life of the insulator. The outer part of the arc striking rod is wrapped with silicon rubber as an insulating outer sleeve, and the insulating outer sleeve can effectively reduce short-circuit accidents caused by bird damage.
Preferably, the ceramic outer sleeve 8 is made of a low-strength ceramic material.
Specifically, because the ceramic jacket need not to bear mechanical stress, consequently, can choose for use low strength ceramic material to make and form, and thickness also can be thinner for the insulator whole weight is lighter and low in production cost.
The utility model provides a non-load type anti-icing lightning protection insulator of pottery overcoat, the intussuseption of the pottery overcoat of insulator fills silicon rubber and makes the insulator have good sealing performance as sealing rubber layer, and long-term operation is difficult for weing, has eliminated silicon rubber simultaneously and has exposed the defect ageing in the air, reduces the ageing influence factor of insulator, prolongs the life of insulator. The anti-icing cover and the striking rod form a discharge gap, the striking rod is wrapped by the insulating outer sleeve, the ball head of the striking rod is not completely wrapped by the insulating outer sleeve, the reserved gap serves as a discharge electrode, the striking rod and the anti-icing cover discharge to form a lightning discharge channel during lightning stroke, and the insulating outer sleeve outside the striking rod can effectively reduce short-circuit accidents caused by bird damage. The diameter of the anti-icing cover is larger than that of the ceramic coat umbrella skirt, so that the insulator cannot form bridging among the umbrella skirts in rainy and snowy weather, and the insulator has an anti-icing function. The core rod of the insulator bears mechanical stress, the ceramic outer sleeve does not bear mechanical stress, the ceramic outer sleeve can still effectively support the lead even if the ceramic outer sleeve is cracked after the insulator breaks down, the ceramic outer sleeve can be made of low-strength ceramic materials, and the thickness of the ceramic outer sleeve can be thinner, so that the whole weight of the insulator is lighter and the production cost is low.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and decorations can be made, which are also considered as the protection scope of the present invention.
Claims (9)
1. A ceramic-sheathed non-bearing type anti-icing and lightning-protection insulator is characterized by comprising a core rod, an annular electrode, an insulator component, a ceramic sheath, an anti-icing cover, an upper steel cap and a lower steel cap; the upper end of the core rod is connected with the annular electrode, and the core rod bears mechanical stress; the insulator assembly comprises an upper aluminum block, a resistor group and a lower aluminum block which are sequentially sleeved on the core rod and are tightly attached to each other, an epoxy cylinder is arranged outside the insulator assembly, sealing rubber layers are filled outside the epoxy cylinder and between the annular electrode and the upper aluminum block, a ceramic outer sleeve is wrapped outside the sealing rubber layers and does not bear mechanical stress, and an anti-icing cover is arranged at the top of the ceramic outer sleeve; the top of the annular electrode is connected with the upper steel cap, and the bottom of the core rod is connected with the lower steel cap; the upper aluminum block is connected with an arc striking rod which penetrates through the ceramic outer sleeve and extends out of the ceramic outer sleeve, and the insulating outer sleeve wraps the arc striking rod.
2. The ceramic jacket non-force-bearing type anti-icing and lightning-protection insulator according to claim 1, wherein a plurality of sheds are arranged on the outer wall of the ceramic jacket, and the sheds and the ceramic jacket are of an integrated structure.
3. The ceramic-sheathed non-load-bearing type anti-icing and lightning-protection insulator according to claim 2, wherein the striking rod is L-shaped, a bulb of the striking rod is not wrapped by the insulating sheath, and a discharge gap is formed between the bulb of the striking rod and the anti-icing cover.
4. The ceramic sheathed non-bearing type anti-icing and lightning protection insulator according to claim 3, wherein the resistor sheet group comprises a plurality of annular resistor sheets which are sequentially sheathed on the core rod and are tightly attached to each other.
5. The ceramic-sheathed non-bearing type anti-icing and lightning-protection insulator according to claim 4, wherein the upper aluminum block, the annular resistor disc and the lower aluminum block are all disc structures with through holes in the middle.
6. The ceramic-sheathed non-load-bearing type anti-icing and lightning-protection insulator according to claim 5, wherein the diameter of the anti-icing shield is larger than the maximum diameter of the ceramic sheath.
7. The ceramic-sheathed non-bearing type anti-icing and lightning-protection insulator according to claim 6, wherein a lower end cap is connected to the bottom of the mandrel, the lower end cap is connected to the lower steel cap, and the upper steel cap is provided with a wire groove.
8. The ceramic-sheathed non-load-carrying type anti-icing and lightning-protection insulator according to claim 7, wherein the sealing rubber layer and the insulating sheath are both silicone rubber.
9. The ceramic jacket non-load bearing type anti-icing and lightning protection insulator according to claim 8, wherein the ceramic jacket is made of a low-strength ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221047617.5U CN217239170U (en) | 2022-04-29 | 2022-04-29 | Ceramic jacket non-bearing type anti-icing lightning protection insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221047617.5U CN217239170U (en) | 2022-04-29 | 2022-04-29 | Ceramic jacket non-bearing type anti-icing lightning protection insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217239170U true CN217239170U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221047617.5U Active CN217239170U (en) | 2022-04-29 | 2022-04-29 | Ceramic jacket non-bearing type anti-icing lightning protection insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217239170U (en) |
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- 2022-04-29 CN CN202221047617.5U patent/CN217239170U/en active Active
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